I tried to send email with stored procedure.
It run correctly just I connect with system/manager.
If I change user/password don't run my procedure and I see this error:
ERROR at line 1:
ORA-29540: class oracle/plsql/net/TCPConnection does not exist
ORA-06512: at "SYS.UTL_TCP", line 533
ORA-06512: at "SYS.UTL_TCP", line 199
ORA-06512: at "SYS.UTL_SMTP", line 99
ORA-06512: at "SYS.UTL_SMTP", line 121
ORA-06512: at "AFM.SPEDISCI_MAIL", line 17
ORA-06512: at line 1
i run these scripts (as internal/oracle - sys/change_on_install - myuser/password):